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SFOS 10
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What is the mechanism of maintaining:
1. Mean arterial blood pressure?
2. Blood flow to specific organs?
1. Neural (reflex) control
2. Local control
Define pressure storage
Ability of aorta and large arteries to expand during systole
Squeeze back during diastole
Maintain pressure
Anchoring the heart:
1. Vertically
2. Horizontally
1. Anulus
2. Anular ring
Calculate Total Peripheral Resistance
(Mean arterial pressure - right atrial pressure) / Cardiac output
Calculate Pulmonary vascular resistance
(mean pulmonary arterial pressure - left atrial pressure) / cardiac output
Where is peripheral resistance the highest? Why?
Arterioles
Small lumen, high wall thickness
What fraction of blood is stored in the veins under resting conditions?
2/3 - 3/4
Author
zf2010
ID
79909
Card Set
SFOS 10
Description
SFOS 10
Updated
2011-04-16T05:54:31Z
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